body {
  padding: 20px;
  font: 14px "Microsoft YaHei", "Lucida Grande", Helvetica, Arial, sans-serif;
}
a {
  color: #00b7ff;
}
.chatSection {
  height: 400px;
  overflow-y: scroll;
  border: 1px solid #666;
  border-radius: 5px;
}
.chatSection h2 {
  text-align: center;
  padding: 5px 0;
  margin: 0;
  border-bottom: 1px solid #666;
  background: #f4f4f4;
  border-radius: 5px 5px 0 0;
}
.chatSection p.m {
  text-align: right;
}
.chatSection p i {
  font-style: normal;
}
.chatSection p span {
  font-weight: bold;
}
.chatSection .m span {
  color: #008000;
}
.textCenter {
  text-align: center;
}
.sendBox {
  margin-top: 10px;
}
